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-rw-r--r--tools/perf/util/annotate.c26
1 files changed, 23 insertions, 3 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index d1eece70b..1dd1949b0 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -548,8 +548,11 @@ static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map,
pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr));
- if (addr < sym->start || addr >= sym->end)
+ if (addr < sym->start || addr >= sym->end) {
+ pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n",
+ __func__, __LINE__, sym->name, sym->start, addr, sym->end);
return -ERANGE;
+ }
offset = addr - sym->start;
h = annotation__histogram(notes, evidx);
@@ -1081,6 +1084,7 @@ int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize)
struct kcore_extract kce;
bool delete_extract = false;
int lineno = 0;
+ int nline;
if (filename)
symbol__join_symfs(symfs_filename, filename);
@@ -1176,6 +1180,9 @@ fallback:
ret = decompress_to_file(m.ext, symfs_filename, fd);
+ if (ret)
+ pr_err("Cannot decompress %s %s\n", m.ext, symfs_filename);
+
free(m.ext);
close(fd);
@@ -1201,13 +1208,25 @@ fallback:
pr_debug("Executing: %s\n", command);
file = popen(command, "r");
- if (!file)
+ if (!file) {
+ pr_err("Failure running %s\n", command);
+ /*
+ * If we were using debug info should retry with
+ * original binary.
+ */
goto out_remove_tmp;
+ }
- while (!feof(file))
+ nline = 0;
+ while (!feof(file)) {
if (symbol__parse_objdump_line(sym, map, file, privsize,
&lineno) < 0)
break;
+ nline++;
+ }
+
+ if (nline == 0)
+ pr_err("No output from %s\n", command);
/*
* kallsyms does not have symbol sizes so there may a nop at the end.
@@ -1601,6 +1620,7 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map,
len = symbol__size(sym);
if (print_lines) {
+ srcline_full_filename = full_paths;
symbol__get_source_line(sym, map, evsel, &source_line, len);
print_summary(&source_line, dso->long_name);
}